AX - How add (next) row to StringEdit control

Used for example for logs.

1. Add StringEdit control to form.
2. Set name and set Autodeclaration to Yes.
3. Set Multiline to Yes.

void AddText( str _sValue ) {
  EOutput.text( EOutput.text() + _sValue + num2char(10) );
}

AX - How check if DateEdit control is empty

if ( EDates.dateValue() == dateNull() ) {
  error( "Date value is empty." );
  EDates.setFocus();
}